Retention balloon for percutaneous catheter

• US 5,308,325 A
• Filed: 01/28/1991
• Issued: 05/03/1994
• Est. Priority Date: 01/28/1991
• Status: Expired due to Term

• Current Assignee: CORPAK MedSystems, Inc. (Avanos Medical, Inc.)
• Original Assignee: Corpak LLC
• Inventors: Quinn, David G., Andersen, Erik
• Primary Examiner(s): Rosenbaum, C. Fred
• Assistant Examiner(s): Bockelman, Mark
• Application Number:
  US07/646,889
• Time in Patent Office: 1,191 Days
• Field of Search: 604/96-103, 604/30, 604/34, 604/247, 604/246, 604/264, 604/93, 604/104, 604/167, 604/174, 604/256, 604/277, 604/278, 606/192-194, 600/29, 600/31, 128/768, 128/766
• US Class Current: 604/96.01
• CPC Class Codes: A61J 15/0015 Gastrostomy feeding-tubes insertion tools or methods A61B17/34
• CPC Class Codes: A61J 15/0038 expandable, e.g. umbrella type
• CPC Class Codes: A61J 15/0042 inflatable
• CPC Class Codes: A61M 2025/1065 having a balloon which is inversely attached to the shaft at the distal or proximal end
• CPC Class Codes: A61M 25/04 in the body, e.g. expansible A61M25/10, A61M16/0488 take precedence
• CPC Class Codes: A61M 25/10 Balloon catheters A61M25/0125 takes precedence; embolectomy A61B17/22032; retractors A61B17/02; inflatable balloons for placing stents or stent-grafts A61F2/958 ; stomach balloons for treatment of obesity A61F5/0003; oesophagal tubes A61J15/00
• CPC Class Codes: A61M 25/1029 Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
• CPC Class Codes: A61M 25/1034 Joining of shaft and balloon

Abstract

An improved construction for an expandable and contractible retention member, such as a balloon, for body access tubes, to retain a distal open end of the tube against an inner body cavity wall of the patient. The balloon is secured to only the inner and outer peripheral edges of the distal open end of the tube by a sleeve. The sleeve has both an outer wall and an inner wall which receives, respectively, the outer and inner walls of the tube. The balloon includes an outer wall and an inner wall which defines an inflation chamber. The inflation chamber extends beyond the distal open end of the tube so that no portion of the tube passes through the chamber. The balloon includes an axial opening to permit passage of fluid out of the tube.

Claims

1. In a single body access tube having an inner surface and an outer surface defining a fluid lumen and an inflation lumen, the tube including an inflatable retention member carried near a distal open end of the tube, the member having an inflation/retention chamber surrounding the outer surface of the tube, the member circumferentially secured to the outer surface of the tube, the improvement comprising:

the member being circumferentially secured to the distal open end of the tube and to both the inner surface and the outer surface of the tube, the member having an axial opening communicating with the fluid lumen of the tube, the inflation chamber of the member being substantially foam filled and extending beyond the distal open end of the tube so that no portion of the tube passes through the chamber;

such that when inflated, the member projects beyond the distal end of the tube and assumes an outer configuration having an outer diameter greater than the outer diameter of the tube, when deflated, the member collapses upon itself and assumes an outer collapsed configuration having an outer diameter no greater than the outer diameter of the tube.

2. In a single body access tube having an inner surface and an outer surface defining a fluid lumen and an inflation lumen, the tube including an inflatable retention member carried near a distal open end of the tube, the member having an inflation/retention chamber surrounding the outer surface of the tube, the member circumferentially secured to the outer surface of the tube, the improvement comprising:

the member being circumferentially secured to the distal open end of the tube and to both the inner surface and the outer surface of the tube, the member having an axial opening communicating with the fluid lumen of the tube, the inflation chamber of the member being substantially foam filled wherein the foam includes a polyurethane foam, and further wherein the chamber extends beyond the distal open end of the tube so that no portion of the tube passes through the chamber;

such that when inflated, the member projects beyond the distal end of the tube and assumes an outer configuration having an outer diameter greater than the outer diameter of the tube, when deflated, the member collapses upon itself and assumes an outer collapsed configuration having an outer diameter no greater than the outer diameter of the tube.

3. A catheter having a single tube and adapted for retention within a body cavity, organ or vessel, comprising:

an inner surface and an outer surface defining a fluid lumen and an inflation lumen;

a distal end of the tube being open;

an inflatable retention member circumferentially secured to the open distal end and to both the inner surface and outer surface of the catheter, the member having an opening communicating with the fluid lumen of the catheter; and

,

the member having an inflation chamber extending beyond the distal open end of the catheter so that no portion of the catheter passes through the chamber and wherein the inflation chamber is substantially foam filled,

such that the member, when inflated, projects beyond the distal end of the tube and assumes an outer configuration having an outer diameter greater than the outer diameter of the catheter, the member, when deflated, collapses upon itself and assumes an outer collapsed configuration having an outer diameter no greater than the outer diameter of the catheter.

4. A catheter having a single tube and adapted for retention within a body cavity, organ or vessel, comprising:

an inner surface and an outer surface defining a fluid lumen and an inflation lumen;

a distal end of the tube being open;

an inflatable retention member circumferentially secured to the open distal end and to both the inner surface and outer surface of the catheter, the member having an opening communicating with the fluid lumen of the catheter; and

,

the member having an inflation chamber extending beyond the distal open end of the catheter so that no portion of the catheter passes through the chamber and wherein the inflation chamber is substantially foam filled and the foam includes a polyurethane foam,

such that the member, when inflated, projects beyond the distal end of the tube and assumes an outer configuration having an outer diameter greater than the outer diameter of the catheter, the member, when deflated, collapses upon itself and assumes an outer collapsed configuration having an outer diameter no greater than the outer diameter of the catheter.

5. A method of forming an inflatable retention member to be carried on a distal open end of a catheter, the catheter having a fluid lumen and an inflation lumen, the method comprising the steps of:

forming a proximal portion of the member, the proximal portion having a sleeve with a small diameter mating end to receive and contact an outer surface of the distal end of the catheter and the sleeve of the proximal portion having a large diameter mating end;

forming a distal portion of the member, the distal portion having a large diameter mating end for circumferentially mating with the large diameter mating end of the proximal portion, the distal portion having a core coaxial with the sleeve, the core being insertable within only the fluid lumen to contact an inner surface of the catheter;

bonding the sleeve to the outer surface of the catheter and the core to the inner surface of the catheter;

inserting between the proximal and distal portions a compressible material; and

circumferentially bonding together the large diameter mating ends of the proximal portion and the distal portion.